12815368 has 16 divisors (see below), whose sum is σ = 24423660. Its totient is φ = 6302400.

The previous prime is 12815353. The next prime is 12815417. The reversal of 12815368 is 86351821.

It can be written as a sum of positive squares in 2 ways, for example, as 8054244 + 4761124 = 2838^2 + 2182^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12643 + ... + 13618.

Almost surely, 2^12815368 is an apocalyptic number.

It is an amenable number.

12815368 is a deficient number, since it is larger than the sum of its proper divisors (11608292).

12815368 is a wasteful number, since it uses less digits than its factorization.

12815368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26328 (or 26324 counting only the distinct ones).

The product of its digits is 11520, while the sum is 34.

The square root of 12815368 is about 3579.8558630202. The cubic root of 12815368 is about 234.0149989168.

The spelling of 12815368 in words is "twelve million, eight hundred fifteen thousand, three hundred sixty-eight".